Download of uImage-bf533-ezkit-2007R1.1-RC3 (uImage-bf533-ezkit-2007R1.1-RC3 ( external link: SF.net): 3,412,512 bytes) will begin shortly. If not so, click link on the left.
If you're new to buildroot Linux, the first thing to do is check out the documentation(http://docs.blackfin.uclinux.org/). This should help you get your development host PC set up, and get you compling your first Linux distribution from source.